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Calumet and Hecla Mining Company House Plan

Earthwork, Human Settlements, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining Calumet and Hecla Mining Company Residence No. 1158 Basement and Attic Plan.

Scanned: March 19, 2012


Map of the Centennial Copper Mining Company

Earthwork, Industries, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining [Map showing the property of the Centennial Minng Company and the property of the Calumet and Hecla Consolidated Copper Company, which was formerly the property of the Centennial Mining Company.]

Scanned: March 19, 2012


Map of the Centennial Copper Mining Company

Earthwork, Industries, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining [Map showing the land owned by the Centennial Mining Company, and surrounding land owned by different mining companies.]

Scanned: March 19, 2012